General Characteristics of Connective Tissues
[Pages:25]General Characteristics of ALL
Function
Connective Tissues
bind
support
protect
fill spaces
store fat
produce blood cells
Location
widely distributed throughout the body
Lupus ? connective tissue autoimmune disorder
Distinguishing characteristics
mostly have good blood supply
cells are farther apart
General Characteristics of Connective Tissues
Helps repair tissue damage Farther apart than epithelial cells Abundance of intercellular material
between them (matrix) Rigid - bone & cartilage Flexible - loose, adipose, fibrous Fluid - blood
Major Cell Types
Wandering Cells:
Temporarily appear in response to infection or injury
WBC or macrophages
Fixed Cells:
Fibroblast: most common, large and star shaped, produce fibers
Mast cells: large, near blood vessels, release heparin, release histamine
Fibers
Collagenous
thick threads of collagen ligaments and tendons
Elastic
composed of elastin vocal cords
Reticular
very thin collagenous fibers highly branched
Fibers and Cells BR
1. Connective tissue notes
2. Start connective tissue lab ? turn in at the end of the block
3. Conn. Tissue crossword HW ? due tomorrow Quiz - Thursday
Types of Connective Tissues
Loose or aerolar Adipose Dense fibrous Cartilage
Hyaline Elastic Fibrocartilage
Bone
Spongy Compact
Blood
Loose or areolar
Function/Characteristics binds organs together holds tissue fluids most abundant type Location Makes up the basement
membrane beneath skin between muscles beneath epithelial tissues
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